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Example 7 Susan preferred him being late for dinner. (Pires 2007:165)
Initial Stream: ['he', 'n_3rd_msc_sg', 'late', 'adj', ['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']

Successful Derivation 1
Successful Derivation 2
Successful Derivation 3
Successful Derivation 4
Successful Derivation 5
Successful Derivation 6
Successful Derivation 7
Successful Derivation 8
Successful Derivation 9
Successful Derivation 10
Successful Derivation 11
Successful Derivation 12
Successful Derivation 13
Successful Derivation 14
Successful Derivation 15
Successful Derivation 16


Merge 1
Merge: set-Merge
Stream: ['late', 'adj', ['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 2
Merge: set-Merge
Stream: ['adj', ['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 3
Merge: set-Merge
Stream: [['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:

Substream
Stream: ['dinner', 'n_3rd_sg', 'P_for']

Merge 4
Merge: set-Merge
Stream: ['P_for']
Unlabeled:


Merge 5
Merge: set-Merge
Stream: []
Operations: Agree: (for,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Main Stream


Merge 6
Merge: pair-Merge
Stream: ['be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']


Merge 7
Merge: set-Merge
Stream: ['v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 8
Merge: set-Merge
Stream: ['T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 9
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 10
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:



Merge 11
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 12
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 13
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 14
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 15
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 16
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #2
Continued from Merge 15

Merge 17
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 18
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #3
Continued from Merge 11

Merge 19
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 20
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #4
Continued from Merge 9

Merge 21
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 22
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:



Merge 23
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 24
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 25
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 26
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 27
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 28
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #5
Continued from Merge 27

Merge 29
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 30
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 1
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #6
Continued from Merge 23

Merge 31
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 32
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #7
Continued from Merge 8

Merge 33
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 34
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 35
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #8
Continued from Merge 34

Merge 36
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 37
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:



Merge 38
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 39
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 40
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 41
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 42
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 43
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #9
Continued from Merge 42

Merge 44
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 45
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 2
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #10
Continued from Merge 38

Merge 46
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 47
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #11
Continued from Merge 7

Merge 48
Merge: set-Merge
Stream: ['v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 49
Merge: set-Merge
Stream: ['T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 50
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 51
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #12
Continued from Merge 50

Merge 52
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 53
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:



Merge 54
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 55
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 56
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 57
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 58
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 59
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #13
Continued from Merge 58

Merge 60
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 61
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 3
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #14
Continued from Merge 54

Merge 62
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 63
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #15
Continued from Merge 49

Merge 64
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 65
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 66
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #16
Continued from Merge 65

Merge 67
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 68
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:



Merge 69
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 70
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 71
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 72
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 73
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 74
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #17
Continued from Merge 73

Merge 75
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 76
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 4
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #18
Continued from Merge 69

Merge 77
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 78
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #19
Continued from Merge 3

Merge 79
Merge: set-Merge
Stream: [['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['dinner', 'n_3rd_sg', 'P_for']

Merge 80
Merge: set-Merge
Stream: ['P_for']
Unlabeled:


Merge 81
Merge: set-Merge
Stream: []
Operations: Agree: (for,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Main Stream


Merge 82
Merge: pair-Merge
Stream: ['be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']


Merge 83
Merge: set-Merge
Stream: ['v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 84
Merge: set-Merge
Stream: ['T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 85
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 86
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #20
Continued from Merge 85

Merge 87
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 88
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:



Merge 89
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 90
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 91
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 92
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 93
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 94
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #21
Continued from Merge 93

Merge 95
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 96
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 5
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #22
Continued from Merge 89

Merge 97
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 98
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #23
Continued from Merge 84

Merge 99
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 100
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 101
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #24
Continued from Merge 100

Merge 102
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 103
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:



Merge 104
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 105
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 106
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 107
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 108
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 109
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #25
Continued from Merge 108

Merge 110
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 111
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 6
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #26
Continued from Merge 104

Merge 112
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 113
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #27
Continued from Merge 83

Merge 114
Merge: set-Merge
Stream: ['v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 115
Merge: set-Merge
Stream: ['T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 116
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 117
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #28
Continued from Merge 116

Merge 118
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 119
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:



Merge 120
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 121
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 122
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 123
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 124
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 125
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #29
Continued from Merge 124

Merge 126
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 127
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 7
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #30
Continued from Merge 120

Merge 128
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 129
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #31
Continued from Merge 115

Merge 130
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 131
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 132
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #32
Continued from Merge 131

Merge 133
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 134
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:



Merge 135
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 136
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 137
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 138
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 139
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 140
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #33
Continued from Merge 139

Merge 141
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 142
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 8
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #34
Continued from Merge 135

Merge 143
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 144
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #35
Continued from Merge 2

Merge 145
Merge: set-Merge
Stream: ['adj', ['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 146
Merge: set-Merge
Stream: [['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:

Substream
Stream: ['dinner', 'n_3rd_sg', 'P_for']

Merge 147
Merge: set-Merge
Stream: ['P_for']
Unlabeled:


Merge 148
Merge: set-Merge
Stream: []
Operations: Agree: (for,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Main Stream


Merge 149
Merge: pair-Merge
Stream: ['be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']


Merge 150
Merge: set-Merge
Stream: ['v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 151
Merge: set-Merge
Stream: ['T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 152
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 153
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #36
Continued from Merge 152

Merge 154
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 155
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:



Merge 156
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 157
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 158
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 159
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 160
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 161
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #37
Continued from Merge 160

Merge 162
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 163
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 9
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #38
Continued from Merge 156

Merge 164
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 165
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #39
Continued from Merge 151

Merge 166
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 167
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 168
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #40
Continued from Merge 167

Merge 169
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 170
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:



Merge 171
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 172
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 173
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 174
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 175
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 176
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #41
Continued from Merge 175

Merge 177
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 178
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 10
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #42
Continued from Merge 171

Merge 179
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 180
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #43
Continued from Merge 150

Merge 181
Merge: set-Merge
Stream: ['v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 182
Merge: set-Merge
Stream: ['T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 183
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 184
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #44
Continued from Merge 183

Merge 185
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 186
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:



Merge 187
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 188
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 189
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 190
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 191
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 192
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #45
Continued from Merge 191

Merge 193
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 194
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 11
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #46
Continued from Merge 187

Merge 195
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 196
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #47
Continued from Merge 182

Merge 197
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 198
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 199
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #48
Continued from Merge 198

Merge 200
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 201
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:



Merge 202
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 203
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 204
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 205
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 206
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 207
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #49
Continued from Merge 206

Merge 208
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 209
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 12
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #50
Continued from Merge 202

Merge 210
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 211
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #51
Continued from Merge 146

Merge 212
Merge: set-Merge
Stream: [['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['dinner', 'n_3rd_sg', 'P_for']

Merge 213
Merge: set-Merge
Stream: ['P_for']
Unlabeled:


Merge 214
Merge: set-Merge
Stream: []
Operations: Agree: (for,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Main Stream


Merge 215
Merge: pair-Merge
Stream: ['be', 'v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']


Merge 216
Merge: set-Merge
Stream: ['v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 217
Merge: set-Merge
Stream: ['T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 218
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 219
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #52
Continued from Merge 218

Merge 220
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 221
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:



Merge 222
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 223
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 224
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 225
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 226
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 227
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #53
Continued from Merge 226

Merge 228
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 229
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 13
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #54
Continued from Merge 222

Merge 230
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 231
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #55
Continued from Merge 217

Merge 232
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 233
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 234
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #56
Continued from Merge 233

Merge 235
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 236
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:



Merge 237
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 238
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 239
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 240
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 241
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 242
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #57
Continued from Merge 241

Merge 243
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 244
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 14
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #58
Continued from Merge 237

Merge 245
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 246
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #59
Continued from Merge 216

Merge 247
Merge: set-Merge
Stream: ['v', 'T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 248
Merge: set-Merge
Stream: ['T_ing', 'C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 249
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 250
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #60
Continued from Merge 249

Merge 251
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 252
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:



Merge 253
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 254
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 255
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 256
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 257
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 258
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #61
Continued from Merge 257

Merge 259
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 260
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 15
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #62
Continued from Merge 253

Merge 261
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 262
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #63
Continued from Merge 248

Merge 263
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 264
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 265
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #64
Continued from Merge 264

Merge 266
Merge: set-Merge
Stream: ['C', 'prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 267
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:



Merge 268
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Unlabeled:


Merge 269
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Substream
Stream: ['Susan', 'n_3rd_fem_sg']

Merge 270
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 271
Merge: set-Merge
Stream: [['Susan', 'n_3rd_fem_sg'], 'Tpast', 'C']
Unlabeled:


Merge 272
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 273
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #65
Continued from Merge 272

Merge 274
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 275
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan T(Past,3rd,sg) v* prefer C n him -ing v be adj late for n dinner
PF Rules: Susan T(Past,3rd,sg)+prefer
Susan preferred him/his Ting+be
Susan preferred him/his being late for dinner

Successful Derivation 16
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #66
Continued from Merge 268

Merge 276
Merge: set-Merge
Stream: ['v*', ['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 277
Merge: set-Merge
Stream: [['n_3rd_fem_sg', 'Susan'], 'Tpast', 'C']
Operations: Agree: (v*,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

# of Backtracks: 65
# of Crashes: 50
# of Successful Derivations: 16

Top